AVG中的Sql - 浮点数问题

Question

SELECT     AVG(variable) AS Expr1, SUM(variable) AS Expr2
FROM       ......

AVG的结果是2,但事实并非如此,必须是2.95.有什么问题,有什么想法吗？

Answer 1

尝试

Select
    AVG(Cast(variable as Float)),
    SUM(variable)
From
    Table